Transparent conductive oxide particles and methods related thereto
AssigneeSRI International
InventorsSteven Crouch-Baker, Brian Slovick, Albert Hirschon
Life of this patent
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Abstract
Examples are directed a plurality of particles comprising transparent conductive oxide particles. Example transparent conductive oxide particles have a median diameter of about 200 nanometer (nm) to about 500 nm in the particle size distribution, and a plasma wavelength of about less than 2000 nm. Additionally, the transparent conductive oxide particles may comprise a primary component and about 2 weight percent to about 20 weight percent of a secondary component. Also disclosed are methods of producing a plurality of particles comprising transparent conductive oxide particles and compositions comprising a plurality of particles comprising transparent conductive oxide particles and a binder.
Claims18
A plurality of particles comprising:
- transparent conductive oxide particles, wherein the transparent conductive oxide particles have:
- a median diameter of about 200 nanometers (nm) to about 500 nm in the particle size distribution;
- and
- a plasma wavelength of about less than 2000 nm, and
- wherein the transparent conductive oxide particles comprise:
- a primary component;
- and
- about 2 weight percent to about 20 weight percent of a secondary component, and
- wherein the transparent conductive oxide particles have a refractive index of about 1.3 to about 2.2.
A method of producing a plurality of particles comprising transparent conductive oxide particles, the method comprising:
- reacting base transparent conductive oxide particles with a reducing gas to produce reductively tailored transparent conductive oxide particles;
- and
- annealing the reductively tailored transparent conductive oxide particles in a non-oxidizing atmosphere at a temperature of about 700 degrees Celsius (C) to about 1300° C. to produce the plurality of particles comprising transparent conductive oxide particles, wherein the transparent conductive oxide particles have:
- a median diameter of about 200 nanometers (nm) to about 500 nm in the particle size distribution;
- a plasma wavelength of about less than 2000 nm;
- and
- a refractive index of about 1.3 to about 2.2;
- and
- wherein the transparent conductive oxide particles comprise:
- a primary component;
- and
- about 2 weight percent to about 20 weight percent of a secondary component.
A composition comprising:
- a plurality of transparent conductive oxide particles, wherein the transparent conductive oxide particles have:
- a mean diameter of about 200 nanometers (nm) to 500 nm in the particle size distribution;
- and
- a plasma wavelength of about less than 2000 nm,
- wherein the transparent conductive oxide particles comprise:
- a primary component;
- and
- about 2 weight percent to about 20 weight percent of a secondary component,
- wherein the transparent conductive oxide particles have a refractive index of about 1.3 to about 2.2;
- and
- a binder.
Dependencies are inferred from the claim text.